Lesser wing of sphenoid bone
| Lesser wing of sphenoid bone | |
|---|---|
Figure 1: Sphenoid bone, upper surface. | |
Figure 2: Sphenoid bone, anterior and inferior surfaces. | |
| Details | |
| Identifiers | |
| Latin | ala minor ossis sphenoidalis, ala orbitalis ossis sphenoidalis, ala parva ossis sphenoidalis |
| TA98 | A02.1.05.020 |
| TA2 | 604 |
| FMA | 52869 |
| Anatomical terms of bone | |
The lesser wings of the sphenoid or orbito-sphenoids are two thin triangular plates, which arise from the upper and anterior parts of the body, and, projecting lateralward, end in sharp points [Fig. 1].
In some animals, they remain as separate bones called orbitosphenoids.